303 CE
Approximate birth year of Magnentius in Gaul.
350 CE
January
January
Magnentius, commander of a corps in the Roman army, overthrows and kills Constans.
350 CE
January 18
January 18
Magnentius attends a dinner party, leaves, then comes back dressed in purple and declares himself Emperor.
350 CE
July
July
Magnentius declares his brother Decentius Caesar.
351 CE
Constantius II defeats Magnentius at the Battle of Mursa Major, which is costly for both sides.
352 CE
Magnentius attemps to reach a peace with Constantius II, but is rejected.
352 CE
Decentius is appointed consul by Magnentius.
353 CE
August 8
August 8
Constantius II defeats Magnentius at the Battle of Mons Seleucus.
353 CE
August 10
August 10
Magnentius commits suicide after being surrounded by the forces of Constantius II. Decentius hangs himself.